Palmyra, MO Weather & Growing Conditions
Tonight
51°F
Mostly Cloudy then Slight Chance Drizzle
A slight chance of drizzle after midnight. Mostly cloudy, with a low around 51. Southwest wind 8 to 12 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Cloudy then Slight Chance Drizzle | 8 to 12 mph SW | 12% |
| Wednesday | 58°F | Slight Chance Drizzle then Mostly Cloudy | 10 to 15 mph W | 12% |
| Wednesday Night | 43°F | Mostly Cloudy | 8 mph W | 2% |
| Thursday | 58°F | Partly Sunny | 7 to 12 mph W | 7% |
| Thursday Night | 42°F | Mostly Cloudy | 6 mph NW | 10% |
| Friday | 55°F | Partly Sunny | 8 mph N | 2% |
| Friday Night | 37°F | Mostly Cloudy | 1 to 5 mph N | 2% |
| Saturday | 55°F | Partly Sunny | 3 mph NW | 1% |
| Saturday Night | 36°F | Mostly Clear | 3 mph W | 3% |
| Sunday | 61°F | Sunny | 6 mph W | 9% |
| Sunday Night | 37°F | Mostly Clear | 3 mph W | 1% |
| Monday | 66°F | Sunny | 3 to 9 mph SW | 2% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 67°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Palmyra, MO
Last spring frost
Apr 8
First fall frost
Oct 30
Growing season
204 days
Hardiness zone
6a
Explore more for Palmyra, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Quincy Dam 21, Il (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.